Recent results on QCD thermodynamics: lattice QCD versus Hadron Resonance Gas model

Ratti, C.; Szabó, K.K.; Krieg, S.; Hoelbling, C.; Katz, S.D.; Fodor, Z.; Borsányi, S.

doi:10.1016/j.nuclphysa.2011.02.052

Journal Article

PreJuSER-19791

Recent results on QCD thermodynamics: lattice QCD versus Hadron Resonance Gas model

Ratti, C. ; Borsányi, S. ; Fodor, Z.FZJ* ; Hoelbling, C. ; Katz, S. D. ; Krieg, S.FZJ* ; Szabó, K. K.

2011
North-Holland Publ. Co. Amsterdam

Nuclear physics <Amsterdam> / A 855, 253 - 256 (2011) [10.1016/j.nuclphysa.2011.02.052]

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Please use a persistent id in citations: http://hdl.handle.net/2128/21105 doi:10.1016/j.nuclphysa.2011.02.052

Abstract: We present our most recent investigations on the QCD cross-over transition temperatures with 2+1 staggered flavours and one-link stout improvement [JHEP 1009:073, 2010]. We extend our previous two studies [Phys. Lett. B643 (2006) 46, JHEP 0906:088 (2009)] by choosing even finer lattices (N-t=16) and we work again with physical quark masses. All these results are confronted with the predictions of the Hadron Resonance Gas model and Chiral Perturbation Theory for temperatures below the transition region. Our results can be reproduced by using the physical spectrum in these analytic calculations. A comparison with the results of the hotQCD collaboration is also discussed.

Keyword(s): J ; quark-gluon plasma (auto) ; QCD thermodynamics (auto) ; lattice QCD (auto)

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